Programming - Merlin POWERGUARD PRO User's Installation Manual

PROGRAMMING

PowerGuard Pro is factory shipped as a pre-programmed system. The standard operation of
the switch inputs and LED outputs are as follows:
SWITCH 1:
Resets flat battery protection (PowerGuard) on both engine (B1) and auxiliary (B2) batteries,
reconnects manual isolation.
SWITCH 2:
If the engine battery is connected, pressing the switch will manually isolate it. If the engine
battery is manually isolated, pressing the switch will reconnect It.
SWITCH 3:
If the auxiliary battery is connected, pressing the switch will manually isolate it. if the auxiliary
battery is manually isolated, pressing the switch will reconnect it.
• Caution! Switches 1-3 must be momentary (On) Off operation.
LED 1:
LED 1 is related to the flat battery protection (PowerGuard).
LED Continuously On: Engine (B1) or Auxiliary (B2) Battery Isolated due to low battery voltage.
LED Off: Normal operation.
Note: Uses red LED switch
LED 2:
LED 2 is related to the engine battery (B1).
LED On Continuously: Battery connected.
LED Off = Manually isolated.
Note: Uses green LED switch
LED 3:
LED 3 is related to the auxiliary battery (B2).
LED On Continuously: Battery connected.
LED Off = Manually isolated.
Note: Uses green LED switch
Should the end user require custom programming, the PowerGuard Pro can be supplied as an
ECU only with external components as required. In this instance a 'Specifying Guide' will need
to be completed by the specifying engineer. This should include (but not be limited to) the
following information:
REF: QSF-030
Issue: D
Merlin Equipment Ltd
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